GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Keyless Entry 🢒 Transmitter Programming
  1. Ground pin 4 to pin 8 of the data link connector (DLC). The receiver will respond as follows:
    2. • The doors will lock and unlock within 2 seconds.
    • The liftgate window release (E54) will be activated within 2 seconds.
  2. Simultaneously press and hold the LOCK and UNLOCK buttons on one of the transmitters until the locks cycle. This will take approximately 10 seconds. The receiver will respond as follows:
    3. • The doors will lock and unlock within 2 seconds.
    • The liftgate window release (E54) will be activated within 2 seconds.
    • Do not wait more then 60 seconds between transmitters or the receiver will exit the programming mode.
  3. Repeat step 2 for each transmitter, up to four transmitters can be programed to this vehicle.
  4. Remove the jumper wire from the DLC.
  5. Verify that the RKE is functioning correctly:
    6. • Lock and unlock the doors.
    • Activate the liftgate window (E54).